PWGen - Generator of cryptographically-strong passwords

PWGen is a professional password generator capable of creating large amounts of cryptographically-secure passwords or passphrases consisting of words from a word list. It uses a “random pool”
technique to generate random data based on user inputs (keystrokes,
mouse handling) and volatile system parameters. PWGen provides lots of
options to customize passwords to the users’ various needs.
Additionally, it offers strong text encryption and the creation of random data files (e.g., key files).

Notable Features

Free and Open-Source software

Unicode support

Unobtrusive: easy to use, doesn’t install any
weird DLL files, doesn’t write to the Windows registry, doesn’t even
write to your hard disk if you don’t want it, can be uninstalled easily